Home / 31,116.03-46,675.58-18,715.74

Finding the Fourth Proportional to 31,116.03, 46,675.58 and 18,715.74

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Solution

The fourth proportional to 31,116.03, 46,675.58 and 18,715.74 is: 28,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.03 : 46,675.58 = 18,715.74 : x
  2. Step 2: Convert to fraction form
    31,116.03/46,675.58 = 18,715.74/x
  3. Step 3: Cross multiply
    31,116.03x = 46,675.58 × 18,715.74
  4. Step 4: Simplify right side
    31,116.03x = 873,567,926.05
  5. Step 5: Solve for x
    x = 873,567,926.05/31,116.03
  6. Step 6: Final answer
    x = 28,074.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.